university-final-iot-backend/app/accounts/__init__.py

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2018-05-06 19:42:21 +00:00
from app import bcrypt
from flask import Blueprint
from .models import Account
accounts_bp = Blueprint('accounts', __name__)
def create_account(username, email, password):
"""
Tries to create account with given parameters. Raises error on failure
:param username: Desired username for Account
:param email: Desired email for Account
:param password: Desired password for Account
:type username: string
:type email: string
:type password: string
:returns True if account is successfully created
:rtype Boolean
:raises ValueError if account already exists
"""
if not Account.exists_with_any_of(username=username, email=email):
pw_hash = bcrypt.generate_password_hash(password).decode('utf-8')
account = Account(username, pw_hash, email)
account.save()
return True
raise ValueError("Account with given parameters already exists")
def create_token(username, password):
"""
Tries to create token for account with given parameters.
Raises error on failure
:param username: username of Account
:param password: password of Account
:type username: string
:type password: string
:returns created token
:rtype string
:raises ValueError if credentials are invalid or account does not exist
"""
if not Account.exists(username=username):
raise ValueError("Invalid credentials")
account = Account.get(username=username)
if not bcrypt.check_password_hash(account.password, password):
raise ValueError("Invalid credentials")
return account.create_auth_token()
def validate_token(token):
"""
Validates token and returns associated account
:param token: auth token to validate
:type token: string
:returns created token
:rtype Account
"""
return Account.validate_token(token)